package com.cn.wanxi.servlet.user;

import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.model.UserModel;
import com.cn.wanxi.service.IUserService;
import com.cn.wanxi.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/back/user/del")
public class UserDelServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        /**
         * 0：乱码
         * 1.得到前端的数据
         * 2.封装数据到对象
         * 3.调用服务逻辑层
         * 4.得到服务逻辑层返回来的数据
         * 5.将数据返回给前端
         */
        //        0：乱码
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        String idString = req.getParameter("id");
        Integer id = idString == null ? 0 : Integer.parseInt(idString);
        UserModel userModel = new UserModel();
        userModel.setId(id);
        IUserService iUserService=new UserServiceImpl();
        String result=iUserService.del(id);
        //        5.将数据返回给前端,必须以json的格式传递{key:value,key:value}
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("result", result);
        resp.getWriter().println(jsonObject);

    }
}
